Installing Magisk on older hardware often requires a custom recovery like Unlock the Bootloader
Magisk v18.1 is also highly recommended for older KitKat devices for its stability . download magisk manager for android 4.4.2
Consider a targeted/root method for KitKat: Installing Magisk on older hardware often requires a
Android 4.4.2 KitKat. Released over a decade ago, this version of Google’s mobile operating system still powers millions of budget phones, tablets, and IoT devices worldwide. While modern apps have moved on, many users refuse to let their trusty Galaxy S4, HTC One M7, or Nexus 7 (2012) become e-waste. HTC One M7